OR862-I
2 Inputs Optical Receiver
CONTENTS
Brief …………………………………………………………………… 2
Feature………………………………………………………… 2
Overview Diagram ……………………………………………… 3
Technique Parameter …………………………………………… 4
The connectors ………………………………………………………… 5
Panel LED description ………………………………………… 5-8
The housing view ……………………………………………………9
The Web interface ……………………………………………………10-11
Brief
OR862-I is an optical receiver designed to meet the requirements of modern HFC networks, it is equipped with two optical receivers which allow redundancy for forward path.
Adjustment of the optical receiver OR862-I has been simplified due to its microprocessor control unit that enables uninterruptible adjustment (AGC,slope,gain,etc.), what is extremely important especially for modern services. This solution allows to reduce costs of network maintenance, eliminate the necessity of plug-in modules stock and simplify installation and adjustment of the device.
OR862-I is equipped with Ethernet Communication Module (ECM), which enables remote monitoring and control of particular receiver parameters. It enables to monitoring and manage status of AGC settings, slope and level adjustment. Additionally it’s possible to monitor optical power of the receiver. The AGC circuit compensates changes in the optical power providing stable RF output level regardless of input signal fluctuations. Integrated LED display helps in installation and network diagnostic, shows optical input power level, RF output level eliminating the need for additional measuring equipment for technical staff.
OR862-I ptical optical receiver power range is at 2~-8dBm. When receiver input power at 0dBm, and dual outputs, each RF output level up to 110dBuV; single output level up to 114dBuV; when optical receiver power at -5dBm, C/N > 49dB.
～220V power-supply modes is available, the high-performance transforms circuit become + 24V, + 9V straight to optical receiver internal devices.
Feature
Perfect surge suppression circuit, improved the anti-thunder stroke and surge impact prevention ability
The input stage adopt imported low noise GaAs amplifier, the output stage adopt imported CATV GaAs high performancemodule, improved C/N and the non-line distortion characteristic greatly, simultaneously reduced the power consumption
Strict reliability test, MTBF is longer than 100,000 hours
Excellent optic detector: responsibility > 0.9 A/W, light alarm instructions when input power too low
RF output level and slope are adjustable. Output port 1-2 are available, tap/split are available.
Reserve international standard network interface, easy to field upgrade
Optical AGC function，the output level changed within ±0.5dB, while input power changed at ＋1dBm～－6dBm
Open network management to meet the national standard, comply with SCTE HMS and IEC network management standard.
.Overview Diagram
Input A
AGC/ATT1 EQ1 ATT2 Output 1
Input B
Output 2
Tap -20dB
Figure 1.Block diagram of the OR862-I
Figure 2. The module layout inside the OR862-I
1.LED Display 6.Output splitter(P204/Z120)
2.Optical receiver A 7.Test point
3.Optical receiver B 8.ATT2(output status ATT)
4.SNMP module 9.Power in
5.RF OUT 10.Switch power supply
Technique Parameter
Project / Unit / Performance / noteOptic / wavelength / nm / 1290～1560
Optical connectors / FC/APC或SC/APC
Input power range / dBm / 2～－8
AGC range / dBm / 1～－6
Input power indicate voltage / mW/V / 1.0±10％
RF / Frequency range / MHz / 47～860
Flatness / dB / ±0.75
RF ports number / 1～2
Standard output power（at input power 1～-6dBm） / dBuV / 114 / Single output
110 / Double output
Impedance / Ω / 75
Gain adjusting range / dB / 0～20 / 1dB step
Slope adjusting range * / dB / 0～15 / 1dB step
Output return loss / dB / ＞16dB / 860MHz bandwidth range
Link
(note) / C/N / dB / ＞46 / Optical receiver power at－6dBm，single output power at 110dBuV
CTB / dBc / ＞66
CSO / dBc / ＞62
General / voltage / Vac / 220
Power Consumption / VA / ＜14
working temperature / ℃ / －25～＋55
Storage temperature / ℃ / －25～＋65
Weight / Kg / 3.0
note：load 59 PAL-D analog signal and 35 IPQAM digital modulation signal, and the level is lower 10dB than analog carrier
The connectors
Figure 3. The Connectors inside the OR862-I
1. Power 5. Optical input A,SC/APC
2. Grounding connector 6. Optical input B,SC/APC
3. OUT1 7. SNMP connector ,RJ45
4. OUT2
Panel LED description
Panel LED indicator
LED / Color / status / descriptionPower / red / light / Power is normal
dark / Power is abnormal
Optical / green / light / Input optical power is normal
red / light / Input optical power is too low or no input power
Level / green / light / RF output level is normal
red / light / No RF output
Panel LED digital (SEL: 1-7 items selection SET: Set for 4-7 items)
1st. digit / description / 2nd.&3rd. digits description / Read / Write1 / Input power A / 2 digits: indicate the input power / R
L: input power is too low
H: input power is too high
2 / Input power B / 2 digits: indicate the input power / R
L: input power is too low
H: input power is too high
3 / Output level(dBmV) / 2 digits: the real output level / R
L: no RF output
4 / EQ set / the real EQ value / R / W
5 / ATT set / the real ATT value / R / W
6 / Mode status / A: auto status / R / W
U: manual status
7 / Manual switch
(valid under manual status 6U) / A: select input power A / R / W
b: select input power B
Screenshot description
Receiver A input power is －3dB
Receiver A input power > ＋2dB, indicate the input power is too high
Receiver A input power < -6dB, indicate the input power is too low
Receiver B input power is ＋2dB
No output level or output level is too low
Output level is 50dBmV
EQ is indicated 15dB
ATT is indicated 2dB
Input power switch is at auto status
Input power switch is at manual status
Indicate power A work well
Indicate power B work well
The housing view
The Web interface
user login interface, enter user name and password
password changed interface
ther receiver’s parameter interface
IP changed interface
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